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Merge branch 'jc/dotdot-is-parent-directory'

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"git log .." errored out saying it is both rev range and a path when
there is no disambiguating "--" is on the command line.  Update the
command line parser to interpret ".." as a path in such a case.

* jc/dotdot-is-parent-directory:
  specifying ranges: we did not mean to make ".." an empty set
This commit is contained in:
Junio C Hamano
2012-09-07 11:09:18 -07:00
parent 096bbd6537 003c84f6d2
commit 7764a3b35c
5 changed files with 56 additions and 4 deletions
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16
builtin/rev-parse.c
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@ -230,6 +230,7 @@ static int try_difference(const char *arg)
const char *next;
const char *this;
int symmetric;
static const char head_by_default[] = "HEAD";
if (!(dotdot = strstr(arg, "..")))
return 0;
@ -241,9 +242,20 @@ static int try_difference(const char *arg)
next += symmetric;
if (!*next)
next = "HEAD";
next = head_by_default;
if (dotdot == arg)
this = "HEAD";
this = head_by_default;
if (this == head_by_default && next == head_by_default &&
!symmetric) {
/*
* Just ".."? That is not a range but the
* pathspec for the parent directory.
*/
*dotdot = '.';
return 0;
}
if (!get_sha1_committish(this, sha1) && !get_sha1_committish(next, end)) {
show_rev(NORMAL, end, next);
show_rev(symmetric ? NORMAL : REVERSED, sha1, this);